What are some signs than an interview has gone poorly?

If an interview lasts for less than its scheduled time, then it is usually an indication that the interview did not go well.  Another indication is if you are not given then chance to ask any questions of the person with whom you are interviewing at the end of the interview.  Often, the interviewer’s facial and body reactions will give you clues that he or she doesn’t like your answers or is not “buying your story.”  Finally, if you ask for a business card and they refuse, you’re probably not getting the job.